-- card: 38047 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #121
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on openCard
  global group,rightone
  put 11 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #121

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T3C03  How are VHF signals propagated within the range of the visible horizon?

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By sky wave

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By direct wave

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By plane wave

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By geometric wave

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Correct answer is B